About 66 million years ago, an asteroid slammed into what is now Mexico, forming the Chicxulub crater. This impact wiped out ...

The great mass extinctions -- The impact hypothesis -- The controversy -- In search of the crater -- The discovery of Chicxulub crater -- Scenario of a catastrophe -- Impacts and other extinctions -- ...

The Chicxulub impact structure in Mexico is widely believed to be the site of the asteroid impact that allegedly killed the dinosaurs. As Sergio de Régules reports, scientists are now preparing to ...

A large asteroid (~12 km in diameter) hit Earth 66 million years ago, likely causing the end-Cretaceous mass extinction. Credit: Southwest Research Institute/Don Davis A large asteroid (~12 km in ...

A massive crater hidden beneath the Atlantic seafloor has been confirmed as the result of an asteroid strike from 66 million ...

In September 2025, an X post (archived) viewed over 1 million times claimed the world's biggest meteorite impact crater was in Mexico and included a video of the purported site. The video and claim ...